Stocks / BLDR vs LUV

BLDR vs LUV: Which Stock Is the Better Buy?

Builders FirstSource, Inc. and Southwest Airlines Co. side by side — fundamentals from SEC filings, refreshed nightly. Sector: Industrials.

LUV is the larger company ($22.0B vs $7.1B). On the fundamentals, LUV grows revenue faster (25.4% vs 12.2%); BLDR earns a higher net margin (2.9% vs 1.6%); BLDR has the stronger return on equity (10.0% vs 5.5%). Both carry 1 potential red flag in the filings. Full numbers below — the stronger figure on each row is in green.

AI verdict — BLDR vs LUV, read from the filings

The stronger business, the cheaper stock, and the risks — synthesised from both companies’ SEC filings, every figure computed not guessed. Not investment advice.

 Builders FirstSource, Inc. (BLDR)Southwest Airlines Co. (LUV)
Market cap$7.1B$22.0B
Revenue (latest FY)$15.19B$28.06B
Net income (latest FY)$435.20M$441.00M
Revenue growth (5y CAGR)12.2%25.4%
Net margin2.9%1.6%
Return on equity10.0%5.5%
P/E ratio72.228.1
Dividend yield1.6%
Profitable years (of last 10)109
Positive free cash flowYesNo

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Use the filing period and source shown by each tool before treating two figures as comparable.

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See the full BLDR vs LUV breakdown

Both companies across 19 years of income statement, balance sheet and cash flow — with ratios, health checks and Ask, the SEC-grounded research assistant. Free, no account needed.

Open BLDR's full financials →   Open LUV's full financials →

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Frequently asked questions

Which is bigger, BLDR or LUV?

Southwest Airlines Co. is larger by market capitalization — $22.0B versus $7.1B.

Which grows faster, BLDR or LUV?

Over the last five fiscal years, Southwest Airlines Co. grew revenue faster — 25.4%/yr versus 12.2%/yr, computed from SEC-filed statements.

Where does this data come from?

All figures are computed from official SEC filings (10-K), refreshed nightly. This is a data comparison, not investment advice.

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BLDR fundamentals → · LUV fundamentals → · All 1,500+ companies → · Free screener →